The principles of the theodolite are that a beam of light travels in a straight line, and that when you know the length of one side of a triangle and the angles of the corners as measured by reflecting beams of light then you can precisely map features on the ground both horizontally and vertically.
Answer:
Physical
Explanation:
anything that changes is a physical
The Mode is 1 with a frequency of four times appearing.
2 has a frequency of one. 3 appears twice. 4 has a frequency of two times. 5 appears once.